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Finding the Fourth Proportional to 116,606.95, 174,903.47 and 68,602.53

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Solution

The fourth proportional to 116,606.95, 174,903.47 and 68,602.53 is: 102,899.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,606.95 : 174,903.47 = 68,602.53 : x
  2. Step 2: Convert to fraction form
    116,606.95/174,903.47 = 68,602.53/x
  3. Step 3: Cross multiply
    116,606.95x = 174,903.47 × 68,602.53
  4. Step 4: Simplify right side
    116,606.95x = 11,998,821,503.80
  5. Step 5: Solve for x
    x = 11,998,821,503.80/116,606.95
  6. Step 6: Final answer
    x = 102,899.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.